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Merck

34851

Sigma-Aldrich

乙腈

≥99.9%, gradient grade, suitable for HPLC

别名:

ACN, 乙腈, 氰甲烷, 甲基氰

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About This Item

线性分子式:
CH3CN
CAS号:
分子量:
41.05
Beilstein:
741857
EC號碼:
MDL號碼:
分類程式碼代碼:
41116105
eCl@ss:
39031501
PubChem物質ID:
NACRES:
NA.03

product name

乙腈, suitable for HPLC, gradient grade, ≥99.9%

等級

gradient grade

品質等級

蒸汽密度

1.41 (vs air)

蒸汽壓力

72.8 mmHg ( 20 °C)

化驗

≥99.9%

形狀

liquid

自燃溫度

973 °F

expl. lim.

16 %

baseline drift measuring range

≤15 mAU (210 nm)

技術

HPLC: suitable

雜質

≤0.0002% free alkali (as NH3)
≤0.0005% non-volatile matter
≤0.001% free acid (as CH3COOH)
≤0.02% water (Karl Fischer)
≤0.5 ppb fluorescence (quinine) at 365 nm
≤1 ppb fluorescence (quinine) at 254 nm

折射率

n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

密度

0.786 g/mL at 25 °C (lit.)

HPLC - 梯度

≤0.5 mAU at 254 nm
≤3 mAU at 210 nm

紫外吸收

λ: 195 nm Amax: ≤0.12
λ: 200 nm Amax: ≤0.032
λ: 230 nm Amax: ≤0.0044
λ: 235 nm Amax: ≤0.0044
λ: 250 nm Amax: ≤0.0044
λ: 400 nm Amax: ≤0.0044

應用

food and beverages

格式

neat

儲存溫度

room temp

SMILES 字串

CC#N

InChI

1S/C2H3N/c1-2-3/h1H3

InChI 密鑰

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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一般說明

乙腈(MeCN)在多项泛被用作溶剂,并具有较高的介电常数(37.5)。各种获得不同等级的乙腈用于不同研究(极谱法,光谱学等)多种不同的纯化过程已被许多研究人员所报道。

應用

乙腈(MeCN)可作为萃取溶剂用于水果和蔬菜中农药残留物的定量。

準備報告

产品经0.2 μm滤器过滤

其他說明

重要通知
  • 货号 34851-4X2.5L的产品即将停产。请订购34851-2.5L单瓶装,因为其具体参数与上述产品本质相同。
  • 货号34851-6X1L的产品即将停产。请订购34851-1L单瓶装,因为其物理参数与上述产品本质相同。

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法律資訊

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

象形圖

FlameExclamation mark

訊號詞

Danger

危險分類

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

35.6 °F - closed cup

閃點(°C)

2.0 °C - closed cup


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